Abstract

This chapter deals with the aqueous solutions of non-electrolytes other than mono-ols. The non-electrolyte solutes studied in this chapter are amphiphiles (as are mono-ols) and contain both a hydrophilic and a hydrophobic group with various relative strengths. The study demonstrates that the effects of hydrophobicity and hydrophilicity on H2O seem to be cooperative or competitive within the H2O-rich region, and manifest themselves clearly in third derivative quantities. It begins with a discussion of type A, i.e., aqueous solutions of iso-butoxyethanol (iBE) at 20°C and acetonitrile (ACN) at 6 to 45°C. Following this, it deals with type D, i.e., aqueous solutions of glycerol (GLY), acetone (AC), 1,3-propanediol (13P), and tetramethyl urea (TMU). It also looks into type C, i e aqueous solutions of dimethylsulfoxide (DMSO) and 1,2-propanediol (12P). Finally, it describes mixing schemes of aqueous non-electrolytes studied by other techniques.

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